Using fnmatch with a char Pointer

Question

The array options contains elements of this form: "-option=value".

The argument needed_option contains for example "option"

char *function(char *options[], char *needed_option){
    for(//go over all possible options){
       if(fnmatch("-???=*", options[i], 0) == 0){ //<--- look here
           char *ret = extract_value_from_option(); 
           return ret;
        }
    }

}

Question: Is there a way to genericly replace the " ??? " with the function - argument needed_option like its done in printf() where a char * can be included by using the %s ?

Answer 1

prepare it with sprintf()

  char current[256];
  sprintf(current, "-%s=*", needed_option);
  //...
  if(fnmatch(current, options[i], 0) == 0){ //...